package com.atguigu.gulimall.member.interceptor;

import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.common.vo.MemberRespVo;
import org.springframework.stereotype.Component;
import org.springframework.util.AntPathMatcher;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @program: gulimall
 * @description: 登录检测，拦截器
 * @author: 江天赐
 * @create: 2022-08-16 16:10
 */
@Component
public class LoginUserInterceptor implements HandlerInterceptor {
    public static ThreadLocal<MemberRespVo> loginUser = new ThreadLocal<>();

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //进行远程调用，这个拦截器会拦截，需要先登录，所以此处匹配一下无需登录
        String requestURI = request.getRequestURI();
        boolean match = new AntPathMatcher().match("/member/**", requestURI);
        if (match) {
            return true;
        }

        MemberRespVo attribute = (MemberRespVo) request.getSession().getAttribute(AuthServerConstant.LOGIN_USER);
        if (attribute != null) {
            loginUser.set(attribute);
            return true;
        } else {
            //没登录
            request.getSession().setAttribute("msg", "请先登录");
            response.sendRedirect("http://auth.gulimall.com/login.html");
            return false;
        }
    }
}
